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Byron, Ontario

88°F
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Byron, Ontario Weather
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Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

12 PM

90°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™93°

WindW 10 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts16 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling20000 ft

1 PM

91°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™94°

WindW 10 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts21 mph

Humidity54%

Indoor Humidity54% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling20000 ft

2 PM

90°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Intermittent clouds
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™93°

WindW 10 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts22 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling20000 ft

3 PM

89°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™92°

WindW 10 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts24 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

88°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 18%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™92°

WindW 9 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts24 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™87°

WindW 9 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts22 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.04 in

Visibility7 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™88°

WindW 8 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts21 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

82°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™86°

WindW 7 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts17 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

79°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™81°

WindWNW 7 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Rain0.04 in

Visibility7 mi

Cloud Ceiling4000 ft

9 PM

80°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

RealFeel Shade™84°

WindNW 6 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling7000 ft

10 PM

79°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 39%
Chevron down
Partly cloudy
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

WindNNW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 29%
Chevron down
Partly cloudy
alerts

Heat Warning

11:18 AM Tuesday - 6:00 AM Wednesday

WindNNW 5 mph

Air QualityFair

Wind Gusts10 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

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